Primary Current Injection Test System from Megger

Megger offers a powerful test system designed for primary injection testing of protective relay equipment and circuit breakers.

The ODEN A primary current injection test system is also used to test the transformation ratio of current transformers and for other applications that require high variable currents. Up to 8 kA can be generated with these test systems.

The ODEN A system consists of a control unit together with one or two current units. All parts are portable and ODEN A can be quickly assembled and connected.

There are two versions of the current unit: S and X; S and X are identical in all respects except that X has an additional 30/60 V output.

Applications

Oden A primary current injection test system can be used in a number of applications where high current is required:

Primary current injection testing of protective systems

Breaker testing

Testing current transformers

Heat runs: joints, circuit breakers and disconnectors

Testing of safety-ground devices

Testing integrity of ground grids

One way to test the integrity of ground grids is by injecting current between a reference ground and the ground to be tested, and measuring the voltage drop and the percentage of current flowing through the ground grid.

The type X current unit included with ODEN A is designed for this type of application.

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